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Technical Data Sheet
PartsTable / COMPONENT / AN515C6-4
AN515C6-4 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R54520 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN, head_diameter: 0.296 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-054-6650, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AN515C6-4
NSN: 5305-00-054-6650
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R54520 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN
head_diameter0.296 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN
thread_length0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN
fastener_length0.573 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleHIGH-TORQUE
nominal_thread_diameter0.164 INCHES IN
NSN5305-00-054-6650
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN515C6-4 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
15184Interchangeable
interchangeable cross-reference
interchangeable
MS35338-136BInterchangeable
interchangeable cross-reference
interchangeable
144300136Interchangeable
interchangeable cross-reference
interchangeable
36037-3505Interchangeable
interchangeable cross-reference
interchangeable
445-0246-004Interchangeable
interchangeable cross-reference
interchangeable
SMB618257-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN515C6-4?
AN515C6-4 is a SCREW,MACHINE.
What parts can replace AN515C6-4?
There are 29 known substitutes for AN515C6-4: 15184, MS35338-136B, 144300136 and 26 more. Substitute compatibility should be verified for your specific system.
Is AN515C6-4 still available?
AN515C6-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026